Chief Plenty Coups (Alek-Chea-Ahoosh) House · Public domainLiving in Pryor, MT: what to set up and who to call
An EPA health-based violation from 2025 is still open for Pryor Water System. Pryor has no town government of its own, so Big Horn County runs its elections and most services, and its children attend Plenty Coups High School District.
I’m new in town
What to set up in Pryor, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Pryor.
Power comes from Yellowstone Valley Elec Co-op
Yellowstone Valley Elec Co-op (Yellowstone Valley Elec Co-op), a cooperative utility, serves 98.6% of Pryor residents. Its homes paid an average of 14.2¢ per kWh in 2025, about $127 a month (its average across Montana).
Start or move service: www.yvec.com · (406) 348-3411
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Pryor Water System
Pryor Water System supplies Pryor: about 51% of residents live in its service area. About 49% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 406 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule), beginning Oct 2025. 77% of the 15,074 systems serving 101–500 people had none. 2 older violations are still open, since 2025: a groundwater treatment requirement (Groundwater Rule), per EPA’s records.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 1.0 ppb. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0. Violations are counted by the start of their compliance period. 083090012.
Which providers serve Pryor
This card will list the home internet providers the FCC’s National Broadband Map shows in Pryor, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Pryor’s trash rules yet
Pickup rules, the dump and recycling in Pryor.
Where your child goes to school
Public school districts and the school path by grade.
Pryor is in two districts that split the grades: Plenty Coups High School District and Pryor Elementary School District.
Test scores and every school: see Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
No town hall: the county runs things
Pryor is unincorporated, so Big Horn County is the local government.
Election office: FVAP local election office directory, updated Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Pryor spans 2 ZIP codes
ZIP codes where Pryor residents live, with the share of the town in each.
| ZIP | Post office name | Share of Pryor | ZIP’s residents in Pryor |
|---|---|---|---|
| 59066 | Pryor, MT | 97% | 89% |
| 59101 | Billings, MT | 3% | 0% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Pryor
Who supplies Pryor’s drinking water, and has it had violations?
Pryor Water System (EPA ID 083090012). It reported 1 health-based violation to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule). 77% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Pryor?
Yellowstone Valley Elec Co-op (Yellowstone Valley Elec Co-op), a cooperative utility. Its homes paid about 14.2¢ per kWh in 2025 (EIA).
What ZIP codes are in Pryor?
59066 (97%), 59101 (3%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Pryor in?
Plenty Coups High School District and Pryor Elementary School District.
How do I register to vote in Pryor?
Montana has no online registration; you can register in person up to and including Election Day or by mail (postmarked 30 days before). Elections here are run by the Big Horn County Election Administrator. Check your registration at prodvoterportal.mt.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Nov 18, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet (FCC): pending.